package com.mac.intellect_flow.sys.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mac.intellect_flow.enums.ResultCodeEnum;
import com.mac.intellect_flow.except.ServiceException;
import com.mac.intellect_flow.reply.PageParam;
import com.mac.intellect_flow.reply.PageResult;
import com.mac.intellect_flow.sys.entity.SysPost;
import com.mac.intellect_flow.sys.mapper.SysPostMapper;
import com.mac.intellect_flow.sys.mapper.SysUserPostMapper;
import com.mac.intellect_flow.sys.service.SysPostService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

/**
 * 岗位信息 服务层处理
 * 
 * @author mac
 */
@Service
public class SysPostServiceImpl implements SysPostService {
    @Autowired
    private SysPostMapper postMapper;

    @Autowired
    private SysUserPostMapper userPostMapper;

    /**
     * 查询岗位信息集合
     * 
     * @param post 岗位信息
     * @return 岗位信息集合
     */
    @Override
    public List<SysPost> selectPostList(SysPost post)
    {
        return postMapper.selectPostList(post);
    }

    @Override
    public PageResult<SysPost> queryPage(SysPost post, PageParam pageParam) {
        Page<SysPost> page = new Page<>(pageParam.getPageNo(), pageParam.getPageSize());
        LambdaQueryWrapper<SysPost> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotEmpty(post.getPostName()),SysPost::getPostName, post.getPostName())
                .eq(StringUtils.isNotEmpty(post.getPostCode()),SysPost::getPostCode, post.getPostCode())
                .eq(StringUtils.isNotEmpty(post.getStatus()), SysPost::getStatus, post.getStatus())
                .orderByAsc(SysPost::getPostSort,SysPost::getPostId);
        page = postMapper.selectPage(page, queryWrapper);
        return new PageResult<>(page.getRecords(), page.getTotal(), pageParam.getPageSize(),pageParam.getPageNo());
    }

    /**
     * 查询所有岗位
     * 
     * @return 岗位列表
     */
    @Override
    public List<SysPost> selectPostAll()
    {
        return postMapper.selectPostAll();
    }

    /**
     * 通过岗位ID查询岗位信息
     * 
     * @param postId 岗位ID
     * @return 角色对象信息
     */
    @Override
    public SysPost selectPostById(Long postId)
    {
        return postMapper.selectPostById(postId);
    }

    /**
     * 根据用户ID获取岗位选择框列表
     * 
     * @param userId 用户ID
     * @return 选中岗位ID列表
     */
    @Override
    public List<Long> selectPostListByUserId(Long userId)
    {
        return postMapper.selectPostListByUserId(userId);
    }

    /**
     * 校验岗位名称是否唯一
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public boolean checkPostNameUnique(SysPost post)
    {
        Long postId = Objects.isNull(post.getPostId()) ? -1L : post.getPostId();
        SysPost info = postMapper.checkPostNameUnique(post.getPostName());
        if (!Objects.isNull(info) && info.getPostId().longValue() != postId.longValue()) {
            return false;
        }
        return true;
    }

    /**
     * 校验岗位编码是否唯一
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public boolean checkPostCodeUnique(SysPost post)
    {
        Long postId = Objects.isNull(post.getPostId()) ? -1L : post.getPostId();
        SysPost info = postMapper.checkPostCodeUnique(post.getPostCode());
        if (!Objects.isNull(info) && info.getPostId().longValue() != postId.longValue())
        {
            return false;
        }
        return true;
    }

    /**
     * 通过岗位ID查询岗位使用数量
     * 
     * @param postId 岗位ID
     * @return 结果
     */
    @Override
    public int countUserPostById(Long postId)
    {
        return userPostMapper.countUserPostById(postId);
    }

    /**
     * 删除岗位信息
     * 
     * @param postId 岗位ID
     * @return 结果
     */
    @Override
    public int deletePostById(Long postId)
    {
        return postMapper.deletePostById(postId);
    }

    /**
     * 批量删除岗位信息
     * 
     * @param postIds 需要删除的岗位ID
     * @return 结果
     */
    @Override
    public int deletePostByIds(Long[] postIds)
    {
        for (Long postId : postIds)
        {
            SysPost post = selectPostById(postId);
            if (countUserPostById(postId) > 0) {
                throw new ServiceException(ResultCodeEnum.INTERNAL_SERVER_ERROR.getCode(),String.format("%1$s已分配,不能删除", post.getPostName()));
            }
        }
        return postMapper.deletePostByIds(postIds);
    }

    /**
     * 新增保存岗位信息
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public int insertPost(SysPost post)
    {
        return postMapper.insertPost(post);
    }

    /**
     * 修改保存岗位信息
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public int updatePost(SysPost post)
    {
        return postMapper.updatePost(post);
    }
}
